DE2317563C3 - Verfahren zur Trennung von Fettstoffgemischen in Bestandteile verschiedener Schmelzpunkte - Google Patents
Verfahren zur Trennung von Fettstoffgemischen in Bestandteile verschiedener SchmelzpunkteInfo
- Publication number
- DE2317563C3 DE2317563C3 DE2317563A DE2317563A DE2317563C3 DE 2317563 C3 DE2317563 C3 DE 2317563C3 DE 2317563 A DE2317563 A DE 2317563A DE 2317563 A DE2317563 A DE 2317563A DE 2317563 C3 DE2317563 C3 DE 2317563C3
- Authority
- DE
- Germany
- Prior art keywords
- crystallization
- melting
- fatty substance
- fatty
- wetting agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 52
- 239000000126 substance Substances 0.000 title claims description 48
- 239000000203 mixture Substances 0.000 title claims description 39
- 238000002844 melting Methods 0.000 title claims description 28
- 230000008018 melting Effects 0.000 title claims description 22
- 239000000080 wetting agent Substances 0.000 claims description 38
- 238000002425 crystallisation Methods 0.000 claims description 33
- 230000008025 crystallization Effects 0.000 claims description 33
- 239000000243 solution Substances 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 32
- 238000000926 separation method Methods 0.000 claims description 29
- 239000008151 electrolyte solution Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000007787 solid Substances 0.000 claims description 19
- 239000003925 fat Substances 0.000 claims description 16
- 239000006185 dispersion Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 14
- 239000012071 phase Substances 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 12
- 239000008346 aqueous phase Substances 0.000 claims description 11
- 238000001704 evaporation Methods 0.000 claims description 10
- 230000008020 evaporation Effects 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000007738 vacuum evaporation Methods 0.000 claims description 8
- 239000000470 constituent Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000005119 centrifugation Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 19
- 239000000194 fatty acid Substances 0.000 description 19
- 229930195729 fatty acid Natural products 0.000 description 19
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 16
- 150000004665 fatty acids Chemical class 0.000 description 14
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 10
- 150000002191 fatty alcohols Chemical class 0.000 description 9
- 238000010790 dilution Methods 0.000 description 8
- 239000012895 dilution Substances 0.000 description 8
- -1 fatty acid ester Chemical class 0.000 description 8
- 239000003921 oil Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 description 6
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 5
- 238000007792 addition Methods 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 229910052740 iodine Inorganic materials 0.000 description 5
- 239000011630 iodine Substances 0.000 description 5
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 5
- 235000019341 magnesium sulphate Nutrition 0.000 description 5
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 4
- 239000003760 tallow Substances 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 238000010923 batch production Methods 0.000 description 3
- 230000004992 fission Effects 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 235000015278 beef Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 2
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- FADYGXGJTNYCHZ-UHFFFAOYSA-M benzyl-dodecyl-diethylazanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](CC)(CC)CC1=CC=CC=C1 FADYGXGJTNYCHZ-UHFFFAOYSA-M 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004533 oil dispersion Substances 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B7/00—Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils
- C11B7/0091—Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils non-solvents, e.g. water wherein the fat or oil is dispersed account a more washing out of fractions is not taken into
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (24)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2317563A DE2317563C3 (de) | 1973-04-07 | 1973-04-07 | Verfahren zur Trennung von Fettstoffgemischen in Bestandteile verschiedener Schmelzpunkte |
| SE7403235A SE405609B (sv) | 1973-04-07 | 1974-03-11 | Forfarande for separation av blandningar av fettsyror, fettalkoholer eller fettsyraglycerider i bestandsdelar med olika smeltpunkter enligt omvetningsforfarandet |
| DK132974A DK137547C (da) | 1973-04-07 | 1974-03-11 | Fremgangsmaade til separering af fedtstofblandinger i bestanddele med forskellige smeltepunkter |
| NL7403237A NL7403237A (xx) | 1973-04-07 | 1974-03-11 | |
| NO740858A NO142869C (no) | 1973-04-07 | 1974-03-11 | Fremgangsmaate til adskillelse av fettstoffblandinger i bestanddeler av forskjellige smeltepunkt |
| FR7410581A FR2224542B1 (xx) | 1973-04-07 | 1974-03-27 | |
| HU74HE654A HU176788B (en) | 1973-04-07 | 1974-04-03 | Process for separating mixtures of fatty acids,fatty-alcohols and fatty esters on the base of different melting points |
| CS742444A CS188917B2 (en) | 1973-04-07 | 1974-04-04 | Method for the separation of mixtures of lipoidal substances into the parts having different melting points |
| IT50080/74A IT1004122B (it) | 1973-04-07 | 1974-04-04 | Procedimento per separare miscugli di sostanze grasse in componenti a diverso punto di fusione |
| BE142829A BE813285A (fr) | 1973-04-07 | 1974-04-04 | Procede pour separer des melanges de matieres grasses en constituants a points de fusion differents |
| BR2745/74A BR7402745D0 (pt) | 1973-04-07 | 1974-04-05 | Processo para a separacao de misturas de substancias graxas em componentes com diffremtes pontos de fusao |
| IL44577A IL44577A (en) | 1973-04-07 | 1974-04-05 | Separation of fatty mixtures into components with different melting points |
| JP49038088A JPS5824480B2 (ja) | 1973-04-07 | 1974-04-05 | シボウシツコンゴウブツ オ ユウテン ノ コトナル セイブン ニ ブンカツスル ホウホウ |
| AR253164A AR200054A1 (es) | 1973-04-07 | 1974-04-05 | Procedimiento para la separacion de mezclas de sustancias grasas en componentes de diferentes puntos de fusion |
| GB1520774A GB1470825A (en) | 1973-04-07 | 1974-04-05 | Process for the separation of mixtures of fatty substances into constituents of different melting points |
| DD177733A DD111692A5 (xx) | 1973-04-07 | 1974-04-05 | |
| TR18063A TR18063A (tr) | 1973-04-07 | 1974-04-05 | Stearin karisimlarinin muhtelif erime noktalarina sahip cuez'lere ayrilmasina mahsus usul |
| SU7402012025A SU568359A3 (ru) | 1973-04-07 | 1974-04-05 | Способ разделени смесей жировых веществ на компоненты с различными точками плавлени |
| AU67600/74A AU476699B2 (en) | 1973-04-07 | 1974-04-05 | Process for the separation of fatty mixtures into constituents of different melting points |
| PL1974170147A PL94246B1 (xx) | 1973-04-07 | 1974-04-05 | |
| CH480774A CH590916A5 (xx) | 1973-04-07 | 1974-04-05 | |
| ES425051A ES425051A1 (es) | 1973-04-07 | 1974-04-06 | Procedimiento para la separacion de composiciones de mate- ria grasa en componentes de diverso punto de fusion. |
| US05/458,684 US3950371A (en) | 1973-04-07 | 1974-04-08 | Method of separating mixtures of fatty substances |
| CA197,038A CA1037490A (en) | 1973-04-07 | 1974-04-08 | Method of separating mixtures of fatty substances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2317563A DE2317563C3 (de) | 1973-04-07 | 1973-04-07 | Verfahren zur Trennung von Fettstoffgemischen in Bestandteile verschiedener Schmelzpunkte |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2317563A1 DE2317563A1 (de) | 1974-11-28 |
| DE2317563B2 DE2317563B2 (de) | 1979-02-22 |
| DE2317563C3 true DE2317563C3 (de) | 1979-10-04 |
Family
ID=5877345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2317563A Expired DE2317563C3 (de) | 1973-04-07 | 1973-04-07 | Verfahren zur Trennung von Fettstoffgemischen in Bestandteile verschiedener Schmelzpunkte |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US3950371A (xx) |
| JP (1) | JPS5824480B2 (xx) |
| AR (1) | AR200054A1 (xx) |
| AU (1) | AU476699B2 (xx) |
| BE (1) | BE813285A (xx) |
| BR (1) | BR7402745D0 (xx) |
| CA (1) | CA1037490A (xx) |
| CH (1) | CH590916A5 (xx) |
| CS (1) | CS188917B2 (xx) |
| DD (1) | DD111692A5 (xx) |
| DE (1) | DE2317563C3 (xx) |
| DK (1) | DK137547C (xx) |
| ES (1) | ES425051A1 (xx) |
| FR (1) | FR2224542B1 (xx) |
| GB (1) | GB1470825A (xx) |
| HU (1) | HU176788B (xx) |
| IL (1) | IL44577A (xx) |
| IT (1) | IT1004122B (xx) |
| NL (1) | NL7403237A (xx) |
| NO (1) | NO142869C (xx) |
| PL (1) | PL94246B1 (xx) |
| SE (1) | SE405609B (xx) |
| SU (1) | SU568359A3 (xx) |
| TR (1) | TR18063A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2904195A1 (de) * | 1979-02-05 | 1980-10-30 | Henkel Kgaa | Verfahren zur trennung von fettstoffgemischen in bestandteile verschiedener schmelzpunkte |
| US4861612A (en) * | 1987-02-06 | 1989-08-29 | Kao Corporation | Method of separating oleaginous matter into components having various melting points |
| US5501741A (en) * | 1994-01-11 | 1996-03-26 | Uss-Posco | Process for purifying aqueous rinse solutions used in metal forming operations |
| JP5947064B2 (ja) * | 2012-02-29 | 2016-07-06 | 花王株式会社 | 脂肪酸組成物の製造方法 |
| CN104212636B (zh) * | 2014-09-02 | 2016-06-22 | 天津大学 | 一种基于熔融层结晶技术分离乳脂肪的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1915298A1 (de) * | 1969-03-26 | 1970-11-26 | Metallgesellschaft Ag | Verfahren zur Trennung von Fettsaeure-,Fettalkohol-und/oder Fettsaeureestergemischen |
-
1973
- 1973-04-07 DE DE2317563A patent/DE2317563C3/de not_active Expired
-
1974
- 1974-03-11 NO NO740858A patent/NO142869C/no unknown
- 1974-03-11 SE SE7403235A patent/SE405609B/xx not_active IP Right Cessation
- 1974-03-11 NL NL7403237A patent/NL7403237A/xx active Search and Examination
- 1974-03-11 DK DK132974A patent/DK137547C/da not_active IP Right Cessation
- 1974-03-27 FR FR7410581A patent/FR2224542B1/fr not_active Expired
- 1974-04-03 HU HU74HE654A patent/HU176788B/hu not_active IP Right Cessation
- 1974-04-04 IT IT50080/74A patent/IT1004122B/it active
- 1974-04-04 BE BE142829A patent/BE813285A/xx not_active IP Right Cessation
- 1974-04-04 CS CS742444A patent/CS188917B2/cs unknown
- 1974-04-05 TR TR18063A patent/TR18063A/xx unknown
- 1974-04-05 JP JP49038088A patent/JPS5824480B2/ja not_active Expired
- 1974-04-05 BR BR2745/74A patent/BR7402745D0/pt unknown
- 1974-04-05 PL PL1974170147A patent/PL94246B1/pl unknown
- 1974-04-05 CH CH480774A patent/CH590916A5/xx not_active IP Right Cessation
- 1974-04-05 AR AR253164A patent/AR200054A1/es active
- 1974-04-05 DD DD177733A patent/DD111692A5/xx unknown
- 1974-04-05 SU SU7402012025A patent/SU568359A3/ru active
- 1974-04-05 AU AU67600/74A patent/AU476699B2/en not_active Expired
- 1974-04-05 IL IL44577A patent/IL44577A/en unknown
- 1974-04-05 GB GB1520774A patent/GB1470825A/en not_active Expired
- 1974-04-06 ES ES425051A patent/ES425051A1/es not_active Expired
- 1974-04-08 US US05/458,684 patent/US3950371A/en not_active Expired - Lifetime
- 1974-04-08 CA CA197,038A patent/CA1037490A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AR200054A1 (es) | 1974-10-15 |
| CH590916A5 (xx) | 1977-08-31 |
| DK137547B (da) | 1978-03-20 |
| JPS5052106A (xx) | 1975-05-09 |
| BE813285A (fr) | 1974-10-04 |
| GB1470825A (en) | 1977-04-21 |
| ES425051A1 (es) | 1976-06-01 |
| CS188917B2 (en) | 1979-03-30 |
| FR2224542B1 (xx) | 1976-12-17 |
| AU6760074A (en) | 1975-10-09 |
| BR7402745D0 (pt) | 1974-11-05 |
| US3950371A (en) | 1976-04-13 |
| NO142869C (no) | 1980-11-05 |
| NO142869B (no) | 1980-07-28 |
| IT1004122B (it) | 1976-07-10 |
| SE405609B (sv) | 1978-12-18 |
| FR2224542A1 (xx) | 1974-10-31 |
| DE2317563B2 (de) | 1979-02-22 |
| DE2317563A1 (de) | 1974-11-28 |
| DK137547C (da) | 1978-09-11 |
| NL7403237A (xx) | 1974-10-09 |
| HU176788B (en) | 1981-05-28 |
| AU476699B2 (en) | 1976-09-30 |
| DD111692A5 (xx) | 1975-03-05 |
| NO740858L (no) | 1974-10-08 |
| JPS5824480B2 (ja) | 1983-05-21 |
| IL44577A (en) | 1977-02-28 |
| PL94246B1 (xx) | 1977-07-30 |
| SU568359A3 (ru) | 1977-08-05 |
| CA1037490A (en) | 1978-08-29 |
| TR18063A (tr) | 1976-09-19 |
| IL44577A0 (en) | 1974-06-30 |
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